To avoid an SBR stamp, a pistol build can have no means to attach a butt stock. I'd edit this thread unless that has been done already. It probably has been done...I'm just not that familiar with the Thompson.

To avoid an SBR stamp, a pistol build can have no means to attach a butt stock. I'd edit this thread unless that has been done already. It probably has been done...I'm just not that familiar with the Thompson.

Yes. I get the books from the ATF. Read the library and I am still confused about that stuff. Sucks getting old.
But I guess the weapon has a 16 inch barrel. So would dutigaf not be able to just call it a rifle. Confused here.

"Man needs but two things to survive alone in the woods. A blow up female doll and his trusty old AK-47" - Thomas Jefferson 1781

Looks like he is using the original SMG bbl, which is around 10.5" IIRC. Would be an SBR if the stock was attached. He is seeking approval for the semi auto conversion.

BTW, ATF has apparently issued conflicting "no way to attach a stock" letters or people are just assuming that requirement. All the letters I have read said no buttstock, attachment means were never mentioned. In fact, one states that a standard unmodified CAR15 or M4 style buffer tube could be used on an AR15 based pistol build so long as the sliding stock section was not present or possessed by the owner.

the one part im not sure of is the SBR law... since i made this as a pistol im not sure i can go back later and make it a SBR. it states in there somewhere that if built as a pistol it has to stay one ... doesnt it?

555th and 4th: ah you glossed over my post.. :-) YES the stock attachment points have been welded over and there is NO WAY to attach the stock with out violating the "intent" part of the law. same as any other pistol build.

if you wanna break the law you could attach one by welding new mounting lugs on there. just like any of the ak trunny's or sub gun conversions.

yeah ive got the book too and like you guys a lot of times its confusing on purpose so that they can make the ruling apply to however they want at the time.

as mentioned earlier: every single thing they asked for is done on this build and the 28a1 build...... but they could still deny it just because they want to, ive already seen that happen to a friends submission.

I hope you get approval, I know you have put a ton of work into the 28 & M1A1
I remember when people scoffed on other boards when you first started. Victory is
sweet, and I personally want to thank you and all the builders who contribute to
this board in there various builds.